You can find information & resources of science, biotechnology, chemistry, ecology, technology, science resources, mechanical engineering, earth sciences, astrophysics, nuclear & molecular at PortalScience.com
EEVL
Directory of engineering, mathematics and computing. Sub-categories include software for aerospace, defence and bioengineering; software for statistical, geometric and numerical analysis and tools for software engineering.
http://www.eevl.ac.uk/
ITtoolbox
IT directory and community for supply chain professionals. Focusing on process optimisation, advanced planning and scheduling, industrial engineering and supply chain management.
http://supplychain.ittoolbox.com/
Look4Industry
Software suppliers and distributors for specific engineering industries. Includes tailored search functionality to find the product required.
http://www.look4industry.com
